Aim: To determine the frequency of UTI in children presented with diarrhea.

Study Design: Cross-sectional

Place and Duration: Pediatrics department of Alkhidmat Hospital, Peshawar and Sharif Medical and Dental College, Lahore for six months duration from October 2020 to March 2021.

Methodology: Total 120 patients of both gender with ages 2 months to 5 years were enrolled in this study. After taking written consent from parents/guardians, detailed demographics including age, sex, residence, severity and complete medical history were examined and recorded. Urine samples were obtained for examination of urine culture. Data was analyzed by SPSS 24.0.

Results: There were 78 (65%) males while 42 (35%) patients were females. 58 (48.33%) patients were ages <1 years, 45 (37.5%) had ages between 1 to 3 years and 17 (14.17%) were ages of >3 years. 36 (30%) patients had mild, 50 (41.67%) had moderate and 34 (28.33%) had severe diarrhea. UTI was found in 40 (33.33%) patients. E.coli was the commonest organism found in 28 (70%) patients followed by K. pneumonia in 12 (30%) patients.

Conclusion: Frequency of urinary tract infection was high among children with diarrhea. E.coli was the commonest organism associated with UTI.

Keywords: Urinary Tract Infection, Diarrhea, Children